Datasheet

OPERATING CHARACTERISTICS
TPA6132A2
SLOS597 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com
V
DD
= 3.6 V , T
A
= 25 ° C, R
L
= 16 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
THD = 1%, f = 1 kHz 25
P
O
Output power
(1)
(Outputs in phase) mW
THD = 1%, f = 1 kHz, R
L
= 32 Ω 22
V
O
Output voltage
(1)
(Outputs in phase) THD = 1%, V
DD
= 3.6 V, f = 1 kHz, R
L
= 100 Ω 1.1 V
RMS
G0 = 0 V, G1 = 0 V, ( – 6 dB) – 0.45 – 0.5 – 0.55
G0 ≥ 1.3 V, G1 = 0 V, (0 dB) – 0.95 – 1.0 – 1.05
A
V
Closed-loop voltage gain (OUT / IN – ) V/V
G0 = 0 V, G1 ≥ 1.3 V, (3 dB) – 1.36 – 1.41 – 1.46
G0 ≥ 1.3 V, G1 ≥ 1.3 V, (6 dB) – 1.95 – 2.0 – 2.05
Δ A
v
Gain matching Between Left and Right channels 1%
G0 = 0 V, G1 = 0 V, ( – 6 dB) 26.4
G0 ≥ 1.3 V, G1 = 0 V, (0 dB) 19.8
Input impedance (per input pin)
G0 = 0 V, G1 ≥ 1.3 V, (3 dB) 16.5
R
IN
k Ω
G0 ≥ 1.3 V, G1 ≥ 1.3 V, (6 dB) 13.2
Input impedance in shutdown
EN = 0 V 10
(per input pin)
V
CM
Input common-mode voltage range – 0.5 1.5 V
Output impedance in shutdown EN = 0 V 50 Ω
Input-to-output attenuation in shutdown EN = 0 V 80 dB
200 mV
pp
ripple, f = 217 Hz -100
k
SVR
AC-power supply rejection ratio dB
200 mV
pp
ripple, f = 10 kHz -90
P
O
= 20 mW, f = 1 kHz 0.02%
THD+N Total harmonic distortion plus noise
(2)
P
O
= 25 mW into 32 Ω , V
DD
= 5.5 V, f = 1 kHz 0.01%
SNR Signal-to-noise ratio P
O
= 20 mW; G0 ≥ 1.3 V, G1 = 0 V, (A
V
= 0 dB) 100 dB
E
n
Noise output voltage A-weighted 5.5 µ V
RMS
f
osc
Charge pump switching frequency 1200 1275 1350 kHz
t
ON
Start-up time from shutdown 5 ms
Crosstallk P
O
= 20 mW, f = 1 kHz – 80 dB
Threshold 150 ° C
Thermal shutdown
Hysteresis 20 ° C
(1) Per output channel
(2) A-weighted
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